Home / 2,788,276.90-4,182,415.35-2,157,643.30

Finding the Fourth Proportional to 2,788,276.90, 4,182,415.35 and 2,157,643.30

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Solution

The fourth proportional to 2,788,276.90, 4,182,415.35 and 2,157,643.30 is: 3,236,464.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,276.90 : 4,182,415.35 = 2,157,643.30 : x
  2. Step 2: Convert to fraction form
    2,788,276.90/4,182,415.35 = 2,157,643.30/x
  3. Step 3: Cross multiply
    2,788,276.90x = 4,182,415.35 × 2,157,643.30
  4. Step 4: Simplify right side
    2,788,276.90x = 9,024,160,457,744.65
  5. Step 5: Solve for x
    x = 9,024,160,457,744.65/2,788,276.90
  6. Step 6: Final answer
    x = 3,236,464.95

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.